void plot() {

    gROOT->SetMacroPath("/afs/atlas.umich.edu/home/lailinxu/data18a/CommonTool/atlas_plot_style/atlasstyle-00-03-01");
    gROOT->LoadMacro("AtlasStyle.C");
    gROOT->ProcessLine("SetAtlasStyle()");

    TCanvas *MyC = new TCanvas("MyC", "MyC", 800, 600);
    gStyle->SetPadLeftMargin(0.15);
    gStyle->SetPadRightMargin(0.10);
    gStyle->SetPadTopMargin(0.05);
    gStyle->SetPadBottomMargin(0.15);
    MyC->SetTicks(1,1);

    gStyle->SetOptStat(0);

}
